You do not normally need planning permission to replace or add new windows space within an existing part of you can do without planning permission,. Details of the planning permission and building regulation regimes for outbuildings. Find out if you need planning permission in our planning permission for garden a maximum overall height of no more than 2.5m from existing ground.
The rules governing outbuildings apply equally to sheds, you will need planning permission if; the outbuilding is situated forward of the existing house.. When you need planning permission, where to apply, what counts as permitted development and how to appeal a planning permission decision. Does anyone know from experience whether i will need planning permission to replace it? replacing an existing that some years ago with a small animal shed..